/**
 * 创建设置中文字符集的过滤器
 * @xucw
 */
package com.xcw.bb.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class EncodingFilter implements Filter{
    private FilterConfig filterConfig;
	
    @Override
	public void destroy() {
		
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse res,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)req;
		HttpServletResponse response=(HttpServletResponse)res;
		String encoding=filterConfig.getInitParameter("encoding");
		request.setCharacterEncoding(encoding);
		response.setCharacterEncoding(encoding);
		
		
		chain.doFilter(req,res);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		this.filterConfig=arg0;
		System.out.println("----------------------");
	}

}
